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The value of 'spin only' magnetic moment...

The value of 'spin only' magnetic moment for one of the following configuration is 2.84 BM. The correct one is : [Consider octahedral complexes only]

A

`d^(4)` (in strong field ligand)

B

`d^(4)` (in weak field ligand)

C

`d^(3)` (in weak as well as strong field ligand)

D

`d^(5)` (in strong field ligand)

Text Solution

Verified by Experts

The correct Answer is:
A
(a) `d^(4) (SFL) t_(2g )^(1 ,1, 1) eg^(0 , 0)`
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Velence bond theroy describes the bonding in complexs in terms of coordinate -covalent bond resulting from overlap filled ligand orbitals with vacant metal hybrid orbitals This theory explains magnetic behaviour and geometrical shape of coordination compounds Magnetic moment of a complex compound can be determined experimentally and theoretically by using spin only formula Magnetic moment sqrtn (n+2)BM (where n = No. unpaired electrons) . The value of of spin only magnetic moment for octahedral complex of the following configuration is 2.84BM The correct statement is (a) d^(4) (in weak field ligand) (b) d^(2) (in weak field and in strong field ligand) (c) d^(3) (in weak field and in strong field ligand) (d) d^(5) (in strong field ligand) .

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